.preview{
  height: 100%;
  overflow: hidden;
  .previewIde{
    height: 100vh;
    width: 601px;
    display: flex;
    overflow: scroll;
    position: relative;
  }
  .previewTree{
    height: 100vh;
    overflow: scroll;
  }
  .previewCode{
    height: 100vh;
    overflow: scroll;
  }
  .previewView{
    height: 100vh;
    overflow: scroll;
  }
  .toggle{
    display: inline-block;
    padding: 2px 10px;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #409EFF;
    z-index: 10000;
    font-size: 12px;
    width: 50px;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    color: #fff;
  }
  .previewIdeBox{
    position: relative;
  }
}